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How to use git bisect?
I have read some articles saying that git bisect is awesome. However, I'm not a native speaker and I can't understand why it's awesome.
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In which order should floats be added to get the most precise result?
...I was asked at my recent interview and I want to know (I don't actually remember the theory of the numerical analysis, so please help me :)
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Why do == comparisons with Integer.valueOf(String) give different results for 127 and 128?
...ct to the equivalence operator you're using and the datatypes you have - namely, int and Integer. You're getting an Integer from valueOf on the right hand side, of course.
After the conversion, you're comparing two primitive int values. Comparison happens just as you would expect it to with respec...
Generate all permutations of a list without adjacent equal elements
... the remaining item types unless it was just taken. (See also Coady's implementation of this algorithm.)
import collections
import heapq
class Sentinel:
pass
def david_eisenstat(lst):
counts = collections.Counter(lst)
heap = [(-count, key) for key, count in counts.items()]
heapq...
Foreign Key to multiple tables
...ble dbo.PartyType
(
PartyTypeId tinyint primary key,
PartyTypeName varchar(10)
)
insert into dbo.PartyType
values(1, 'User'), (2, 'Group');
create table dbo.Party
(
PartyId int identity(1,1) primary key,
PartyTypeId tinyint references dbo.PartyType(PartyTypeId),
unique ...
Peak detection in a 2D array
I'm helping a veterinary clinic measuring pressure under a dogs paw. I use Python for my data analysis and now I'm stuck trying to divide the paws into (anatomical) subregions.
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Why aren't variable-length arrays part of the C++ standard?
...d C very much in the last few years. When I read this question today I came across some C syntax which I wasn't familiar with.
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Can a class member function template be virtual?
I have heard that C++ class member function templates can't be virtual. Is this true?
12 Answers
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Why Qt is misusing model/view terminology?
... their explanation page they state, that they simplified the MVC to MV by merging View and Controller and they are giving the following picture:
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Using HTML5/Canvas/JavaScript to take in-browser screenshots
...ipt which converts HTML into a canvas image. Decided today to make an implementation of it into sending feedbacks like you described.
The script allows you to create feedback forms which include a screenshot, created on the client's browser, along with the form. The screenshot is based on the DOM a...